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TTP259-ASFN 데이터시트(PDF) 53 Page - Tontek Design Technology |
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TTP259-ASFN 데이터시트(HTML) 53 Page - Tontek Design Technology |
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53 / 81 page ![]() Preliminary TTP259 TonTouch TM 2015/05/25 Page 53 of 81 Ver: 1.1 .. IO port with internal PWM output and external TCP1 clock input The standard input/output port has the IO control register for switching input or output mode and data register stores the output data in output mode. If IO control data=1 and output data=1, the IO port is programmed as input with pull-up resistor and also actives the wake-up function. User intends to read the port data with differed read instruction. The read PxI is reading data comes from IO pad data. The data register reading result will have the same value with output register data. If enable internal output, the IO port must set as output (IO control data=0). An additional feature supports the internal PWM output and external TCP1 clock input. X: don’t care the value IO control data Output data Pull-up R Wake-up feature External input 0 X No No No 1 0 No No Enable 1 1 Enable Enable Enable IO control data Internal output IO pad 0 Enable Output internal data 0 Disable Output register data 1 X IO pad input data X: don’t care the value Read PxI Read input data 1 IO pad data |
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